Below concepts are covered in this book. 1.Background of C. 2.Variables and Data Types in C. 3.Executing the C program. 4.Control Statements in C. 5.Arrays in C. 6.Strings in C. 7.Structures and Unions in C. 8.Functions in C. 9.File Handling in C. 10.Memory Management in C 11.Command line arguments 12.Recursion